Bottle cap



FIG. 1 is a perspective view of the design according to the invention;

FIG. 2 is a front elevational view, the rear elevational view is the same;

FIG. 3 is a side elevational view the opposite side elevational view is the same;

FIG. 4 is a top plan view; and,

FIG. 5 is an underside view of the design according to the invention.

The broken lines in the drawings are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a bottle cap, as substantially shown and described. 